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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-03 11:21:50 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-07 01:38:01 +0400
commit1456c0a87c4241d3a801651019e66983c69ad17d (patch)
tree2e475b88151d625d22967324e6310ff4309ef731
parent8174202b34c30e0c07231bf63f18ab29af634f0b (diff)
downloadlinux-1456c0a87c4241d3a801651019e66983c69ad17d.tar.xz
blkdev_aio_write() - turn into blkdev_write_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--drivers/char/raw.c4
-rw-r--r--fs/block_dev.c16
-rw-r--r--include/linux/fs.h3
3 files changed, 9 insertions, 14 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index cfb607a64b85..0102dc788608 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -286,8 +286,8 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd,
static const struct file_operations raw_fops = {
.read = new_sync_read,
.read_iter = generic_file_read_iter,
- .write = do_sync_write,
- .aio_write = blkdev_aio_write,
+ .write = new_sync_write,
+ .write_iter = blkdev_write_iter,
.fsync = blkdev_fsync,
.open = raw_open,
.release = raw_release,
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3d97f4a257ff..4e36b8ea8aa4 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1509,28 +1509,24 @@ static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)
* Does not take i_mutex for the write and thus is not for general purpose
* use.
*/
-ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t pos)
+ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct blk_plug plug;
ssize_t ret;
- BUG_ON(iocb->ki_pos != pos);
-
blk_start_plug(&plug);
- ret = __generic_file_aio_write(iocb, iov, nr_segs);
+ ret = __generic_file_write_iter(iocb, from);
if (ret > 0) {
ssize_t err;
-
- err = generic_write_sync(file, pos, ret);
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
blk_finish_plug(&plug);
return ret;
}
-EXPORT_SYMBOL_GPL(blkdev_aio_write);
+EXPORT_SYMBOL_GPL(blkdev_write_iter);
static ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
@@ -1577,9 +1573,9 @@ const struct file_operations def_blk_fops = {
.release = blkdev_close,
.llseek = block_llseek,
.read = new_sync_read,
- .write = do_sync_write,
+ .write = new_sync_write,
.read_iter = blkdev_read_iter,
- .aio_write = blkdev_aio_write,
+ .write_iter = blkdev_write_iter,
.mmap = generic_file_mmap,
.fsync = blkdev_fsync,
.unlocked_ioctl = block_ioctl,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4b221637f09e..1b9b6c59abdd 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2425,8 +2425,7 @@ extern ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, lo
extern ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos);
/* fs/block_dev.c */
-extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t pos);
+extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from);
extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
int datasync);
extern void block_sync_page(struct page *page);